JBL Bar 5.1 vs JBL BAR 300 comparison definitely makes sense. Based on our rating, Bar 5.1 has a total rating of 7.2 out of 10 versus 8.4 for BAR 300. The competitors' control buttons are different: power, volume down, volume up, input and power, volume down, volume up, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the JBL Bar 5.1 has 5.1 versus 5.0 for the JBL BAR 300. The output power is different and equal to 510 (overall) W for the Bar 5.1 versus 260 (overall) W for the BAR 300. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The JBL Bar 5.1 got our rating of 8 out of 10, and the JBL BAR 300 6 for its audio features and specs. Spotify is available on each of the soundbars.
Only the JBL BAR 300 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The JBL Bar 5.1 has 3/0 HDMI inputs/outputs versus 1/1 of the JBL BAR 300. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the Bar 5.1 received a rating of 8/10 versus 10/10, respectively. App control is available in every soundbar. A built-in microphone is present only on the BAR 300. Soundbars do not have Multi-room support.
Only the BAR 300 has a Dolby Atmos multichannel audio format support. The soundbars do not support the surround sound technology DTS:X. For multichannel surround JBL Bar 5.1 got a rating of 4, and JBL BAR 300 7 out of 10.